While market sizes are often measured in the trillions of dollars, the number of firms that are responsible for the majority of transactions is measured in the hundreds if not the teens.  Examples of this are numerous.  According to...

Early in November I chaired the FTF DerivOps conference in NY.  The conversation in 2014 was a lot more about the market than it was at my first DerivOps in October 2008, when all we spoke about was what was wrong with the OTC derivatives...